[Amended 1-15-1981 by L.L. No. 2-1981; 1-17-1990 by L.L. No. 2-1990]
Every person convicted of a violation of any section of this chapter shall, for a first conviction thereof, be punished by a fine of not more than $100 or by imprisonment for not more than 15 days, or by both such fine and imprisonment; for a second such conviction within 18 months thereafter, such person shall be punished by a fine of not more than $250 or by imprisonment of not more than 45 days, or by both such fine and imprisonment; upon a third or subsequent conviction within 18 months after the first conviction, such person shall be punished by a fine of not more than $500 or by imprisonment for not more than 90 days, or by both such fine and imprisonment.